Some RO systems include an alkalinization / re-mineralization stage. I use this one: https://www.expresswater.com/pages/ro-alkaline-uv https://www.expresswater.

Some RO systems include an alkalinization / re-mineralization stage. I use this one: https://www.expresswater.com/pages/ro-alkaline-uv https://www.expresswater.com/pages/ro-alkaline-uv